Engine Controls - Tests W/Codes
- Introduction
- Self-Diagnostic System
- Summary
- Diagnostic Code Charts (Except GSI)
- Notes
- Diagnostic Circuit Check
- Chart A-1, No Check Engine Light
- Chart A-2, Check Engine Light Won't Flash, On All The Time
- Codes 12 &/Or 13, No Rpm Signal, No Signal For 2 Seconds
- Code 14, Ignition Signal Circuit, No Signal
- Code 21, Oxygen Sensor Circuit, Open Or Shorted Circuit
- Code 22, Coolant Temperature Sensor, Open Or Shorted Circuit
- Code 24, Intake Air Temp Sensor CKT, Open Or Shorted CKT
- Code 25, Oxygen Sensor Circuit Lean Exhaust Indicated
- Code 26, Oxygen Sensor Circuit Rich Exhaust Indicated
- Code 31, Map Sensor, Open Or Shorted Circuit
- Code 41, Throttle Switch Circuit
- Code 42, Vehicle Speed Sensor Circuit
- Code 43, No Crank Signal From Starter
- Code 51, Switch Condition Signal
- Code 71, EGR Temperature Sensor Circuit (CALIF. Only)
- Diagnostic Code Charts (GSI)
- Notes
- Diagnostic Circuit Check
- Chart A-1, No Check Engine Light
- Chart A-2, Check Engine Light, Won't Flash, On All The Time
- Codes 12 &/Or 13, No Rpm Signal, No Signal For 2 Seconds
- Code 14, Ignition Signal Circuit, No Signal
- Code 21, Oxygen Sensor Circuit Open Or Short Circuit (CALIF.)
- Code 21, Oxygen Sensor CKT Open Or Short CKT (Federal)
- Code 22, Coolant Temp Sensor (Cts) CKT, Open Or Shorted CKT
- Code 24, Intake Air Temp (IAT) Sensor CKT, Open Or Shorted
- Code 25, Oxygen Sensor Circuit, Lean Exhaust Indicated
- Code 26, Oxygen Sensor Circuit, Rich Exhaust Indicated
- Code 27, Sub-Oxygen Sensor CKT, Open Or Shorted CKT (CALIF.)
- Code 31, Mass Airflow Sensor, Short Circuit
- Code 41, Throttle Position Sensor (TPS), Open Or Short CKT
- Code 42, Vehicle Speed Sensor Circuit
- Code 43, No Crank Signal, No Signal From Starter
- Code 51, Switch Condition Signal
- Code 52, Knock Sensor Signal, Open Or Short Circuit
- Code 53, Knock Control Signal, Faulty ECM
- Code 71, EGR Temperature Sensor Circuit (CALIF. Only)